condition	mean	min	max
4 h after light	10.1518605	9.29638	11.007341
8 h after light	9.0004665	8.704553	9.29638
12 h after light	9.2001425	9.07431	9.325975
4 h after dark	8.5773035	7.735609	9.418998
8 h after dark	8.585253999999999	8.230607	8.939901
12 h after dark	8.794103	8.794103	8.794103